Architectural · A-PYKBD

Rated Partition at Mullion

Materials

Steel Cold-formed Steel Glass / Glazing Metal (misc.)Gypsum / Drywall

Elements

Columns Walls Partitions Windows Curtain Walls Floors / Slabs

About this detail

A scheduled fire-rated partition terminates at a curtain wall mullion enclosing a structural steel column. The steel column is wrapped with two layers of 5/8-inch Type X gypsum board on three sides, secured with J channels at the brake shape. The partition end, framed with 3-5/8-inch metal studs, is finished with two layers of 5/8-inch Type X gypsum board and sealed to the mullion assembly using backer rod and fire sealant. Brake metal closures finish each side to match the existing exterior glazing system. The partition remains unfastened to the window system, and a 1'-71/2" dimension spaces the components.

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